Left: San Francisco City Carriers Lau Ming, Daryl Ha and Alma Silva-Orden pose aboard the famous cable cars they use to travel to and from their delivery routes. Right: Death Valley Postmaster William VanBokkelen surveys the hot summer landscape outside his Post Office.

This edition of Your Postal Podcast lets you walk -- or ride -- a mile in the shoes of USPS employees in two wildly different California communities, both of which attract the attention of tourists from around the world.

First, you'll travel to San Francisco to learn how some letter carriers use the city's most famous means of public transit to service their routes. Next, you'll head south to Death Valley for some perspective on what it's like to provide mail service in the hottest town on the face of the earth.